Comparing the results when the temporal pooling method is changed from (1) mean+max to (6) mean and (7) max, respectively, shows that it depends on the task for which (6) mean or (7) max is effective. When combined as (1) mean+max, they work complementarily, and the performance on VoxCeleb1 improves more. These results support the design choice of PANNs[1]}, which introduced the temporal mean+max pooling.
